PEOPLEHappy 40th, John Legend! Legend and Chrissy Teigen through the yearsJohn Legend is celebrating the big 4-0 on Friday, Dec. 28. Take a look back at his relationship with wife Chrissy Teigen through the years, including this recent shot of the glowing couple taking their older kiddo, Luna, to see Disney on Ice.Ari Perilstein/Getty Images For Feld Entertainment, Inc.To get into the holiday spirit (and to promote John's new album) Legend and Teigen co-hosted a special variety show in December, titled "A Legendary Christmas with John and Chrissy."Paul Drinkwater/NBCIn September, Legend became one of the youngest people and the first African-American man to snag an EGOT: at least one win at the Emmys, Grammys, Oscars and Tonys.JC OliveraLegend kisses Teigen -- pregnant with their second baby!-- at City Harvest's 35th Anniversary Gala in April 2018. They welcomed baby No. 2, Miles Theodore Stephens, the next month.BRYAN BEDDER/GETTY IMAGES FOR CITY HARVESTThe same month, Chrissy and John hit the red carpet at The Daily Front Row's 4th Annual Fashion Los Angeles Awards.FRAZER HARRISON/GETTY IMAGESChrissy dazzled in a silver dress and John a sharp bow tie at the GRAMMY Awards in January 2018.CHRISTOPHER POLK/GETTY IMAGES FOR NARASChrissy showed off her growing baby bump in a sparkly and sheer dress alongside John at the Clive Davis and Recording Academy Pre-GRAMMY Gala the night prior.NICHOLAS HUNT/GETTY IMAGESChrissy and John posed together at a GQ and Dior Homme private dinner in celebration of The 2017 GQ Men Of The Year Party in December 2017.CHARLEY GALLAY/GETTY IMAGE FOR GQTake them out to the ball game! John, Chrissy and their firstborn Luna waved as they walked onto the field before the family threw out the ceremonial first pitch at a Seattle Mariners game in June 2017.ELAINE THOMPSON/APAlso in June, Chrissy and John attended the Tony Awards side by side.DIMITRIOS KAMBOURIS/GETTY IMAGES FOR TONY AWARDS PRODUCTIONSJohn proudly let Chrissy show off her ensemble on the Academy Awards red carpet in February 2017.DAN MACMEDAN/USA TODAY NETWORKEarlier in January, Chrissy and John struck a pose during the Golden Globe Awards.DAN MACMEDAN/USA TODAY NETWORKChrissy and John Legend arrived at the American Music Awards in November 2016.JORDAN STRAUSS/INVISION/APIn June, John showed some support for Chrissy at an event for 'Lip Sync Battle.' Chrissy serves as co-host for the celebrity competition.RACHEL MURRAY/GETTY IMAGES FOR SPIKEJohn and Chrissy got sporty at an NBA Finals game between the Golden State Warriors and the Cleveland Cavaliers, also in June.MARCIO JOSE SANCHEZ/APChrissy and John highlighted their growing family on the red carpet during the Oscars in 2016.DAN MACMEDAN/USA TODAY NETWORKChrissy and John owned the red carpet at that year's Grammys.DAN MACMEDAN/USA TODAY NETWORKThe pair stunned on the red carpet for the Clive Davis & The Recording Academy's 2016 Pre-Grammy Gala.MARK RALSTON/AFP/GETTY IMAGESChrissy and John attended the NAACP Image Awards in February 2016.TOMMASO BODDI/WIREIMAGEThe month prior, Chrissy and John rocked a bold print and some denim at the "Southside With You" premiere during the Sundance Film Festival.NICHOLAS HUNT/GETTY IMAGES FOR SUNDANCE FILM FESTIVALChrissy and John coupled up backstage during "Sinatra 100: An All-Star GRAMMY Concert" in December 2015.KEVIN MAZUR/WIREIMAGEJohn and Chrissy looked cozy at the MTV Video Music Awards in August 2015.Kevin Mazur, MTV1415, WireImageJohn and Chrissy attend Day 7 at Wimbledon in July 2015.Karwai Tang, WireImageNEW YORK, NY - MAY 05: Chrissy Teigen and John Legend attend the Wellness In The Schools 10th Anniversary Gala at Riverpark on May 5, 2015 in New York City. (Photo by Daniel Zuchnik/WireImage) ORG XMIT: 552605329 ORIG FILE ID: 472283804Daniel Zuchnik, WireImageChrissy Teigen and her husband John Legend attend the "China: Through The Looking Glass" Costume Institute Gala.Larry Busacca, Getty ImagesBURBANK, CA - APRIL 26: Recording artist John Legend (L) and model Chrissy Teigen attend The 42nd Annual Daytime Emmy Awards at Warner Bros. Studios on April 26, 2015 in Burbank, California. (Photo by Michael Buckner/Getty Images for NATAS) ORG XMIT: 549896693 ORIG FILE ID: 471277760Michael Buckner, Getty Images For NATASChrissy Tiegen and hubby John LegendDan MacMedan, USA TODAYChrissy Teigen and John LegendDan MacMedan, USA TODAYJohn Legend, Chrissy Teigen, Kim Kardashian and Kanye West attend a birthday party for John Legend (who was also celebrating the 10th anniversary of his debut album "Get Lifted") at CATCH NYC on Jan. 8.Dimitrios Kambouris, Getty Images For EMM GroupModel Chrissy Teigen and recording artist John LegendEthan Miller, Getty Images For DirecTV(L-R) Model Chrissy Teigen, recording artist John Legend, NFL player Aaron Rodgers, and actress Olivia Munn attend the 4th Annual NFL Honors at Phoenix Convention Center on January 31, 2015 in Phoenix, Arizona.Kevin Mazur, WireImageJohn Legend and his wife Chrissy Teigen celebrate his Golden Globe win at the afterparty for InStyle and Warner Bros.Matt Sayles, Invision/APJohn and Chrissy share a moment at the Golden Globes.Jordan Strauss/Invision/APJohn Legend and Chrissy TeigenAnders Overgaard, GQMIAMI BEACH, FL - FEBRUARY 20: Chrissy Teigen and John Legend attend Moet Hennessy's The Q presented by Creekstone Farms sponsored by Miami Magazine hosted by Michael Symon featuring the 2014 Sports Illustrated Swimsuit models during Food Network South Beach Wine & Food Festival at Beachside at Delano on February 20, 2014 in Miami Beach, Florida. (Photo by Larry Marano/Getty Images for Food Network SoBe Wine & Food Festival) ORG XMIT: 463321029 ORIG FILE ID: 470854967Larry Marano, Getty Images For Food Network SoBe Wine & Food FestivalWASHINGTON, DC - APRIL 26: Chrissy Teigen and John Legend attend the PEOPLE/TIME Party On The Eve Of The White House Correspondents' Dinner on April 26, 2013 in Washington, DC. (Photo by Larry Busacca/Getty Images for Time Inc) ORG XMIT: 163232073 ORIG FILE ID: 167614357Larry Busacca, Getty Images For Time IncJohn Legend, right, and his model fiancee, Chrissy Teigen, left attend Sony 4k: Live Beyond Definition on Thursday, Nov. 29, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision for Sony/AP Images)Jordan Strauss, Invision For SonyORG XMIT: NVJS033 John Legend and Chrissy Teigen arrive at the 2012 Billboard Awards at the MGM Grand oon Sunday, May 20, 2012 in Las Vegas, N.V. (AP Photo/John Shearer)John Shearer, APORG XMIT: 132232069 NEW YORK, NY - NOVEMBER 09: John Legend and model Chrissy Teigen attend the International Rescue Committee's Annual Freedom Award benefit at the Waldorf Astoria Hotel on November 9, 2011 in New York City. (Photo by Mike Coppola/Getty Images for IRC) ORIG FILE ID: 131987286Mike Coppola, Getty Images For IRCORG XMIT: FLJC141 Sports Illustrated swim suit model Chrissy Teigen kisses her boyfriend, John Legend, after the Dineila Brazil swim suit show during the Mercedes-Benz Fashion Week in Miami Beach, Fla. Monday, July 18, 2011. (AP Photo/J Pat Carter)J Pat Carter, AP1/31/10 4:43:32 PM -- Los Angeles, CA, U.S.A -- John Legend and Chrissy Teigen arrive for the 52nd annual Grammy Awards. -- Photo by Dan MacMedan, USA TODAY contract photographer ORG XMIT: DM 37934 2010 GRAMMY 1/29/2010 (Via MerlinFTP Drop)Dan MacMedan, USA TODAYJohn Legend and his girlfriend Chrissy Teigen arrive for the Pur Jeans Halloween Bash in Los Angeles, Friday, Oct. 31, 2008. (AP Photo/Chris Pizzello) ORG XMIT: CACP107Chris Pizzello, APSinger John Legend, right, and his girlfriend, model Chrissy Teigen poses on the press line at a pre-BET Awards party honoring rapper Lil Wayne and singer Usher in Los Angeles on Monday, June 23, 2008. (AP Photo/Dan Steinberg) ORG XMIT: CADS101DAN STEINBERG, AP